Oxford Biomedica Regulatory News (OXB)

OXB

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Oxford, UK - 02 March 2026: OXB (LSE: OXB) (the "Company"), a global quality and innovation-led cell and gene therapy CDMO, today announces that in accordance with the FCA's Disclosure Guidance and Transparency Rule 5.6.1R, the Company's issued share capital as at the close of business on 28 February 2026 consisted of 120,873,439 ordinary shares of 50 pence each ("Ordinary Shares"). There are no Ordinary Shares held in treasury.

Accordingly, the total number of voting rights in OXB at the date of this notice is 120,873,439.

The above figure 120,873,439 may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, OXB under the FCA's Disclosure Guidance and Transparency Rules.

-Ends-

Enquiries:

OXB:

Natalie Walter, Chief Legal Officer and Group Company Secretary - T: +44 (0) 1865 783 000 / E: cosec@oxb.com

ICR Healthcare:

T: +44 (0)20 3709 5700 / E: oxb@icrhealthcare.com

Mary-Jane Elliott / Angela Gray / Davide Salvi

About OXB

OXB (LSE: OXB) is a global quality and innovation-led contract development and manufacturing organisation (CDMO) in cell and gene therapy with a mission to enable its clients to deliver life changing therapies to patients around the world.

One of the original pioneers in cell and gene therapy, OXB has 30 years of experience in viral vectors; the driving force behind the majority of cell and gene therapies. OXB collaborates with some of the world's most innovative pharmaceutical and biotechnology companies, providing viral vector development and manufacturing expertise in lentivirus, adeno-associated virus (AAV), adenovirus and other viral vector types. OXB's world-class capabilities range from early-stage development to commercialisation. These capabilities are supported by robust quality-assurance systems, analytical methods and depth of regulatory expertise.

OXB offers a vast number of technologies for viral vector manufacturing, including a 4th generation lentiviral vector system (the TetraVecta? system), a dual-plasmid system for AAV production, suspension and perfusion process using process enhancers and stable producer and packaging cell lines.

OXB, a FTSE250 and FTSE4Good constituent, is headquartered in Oxford, UK. It has development and manufacturing facilities across Oxfordshire, UK, Lyon and Strasbourg, France, Bedford MA, and Durham NC, US. Learn more at www.oxb.com and follow us on LinkedIn and YouTube.